import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from "../components/Login";
import Home from "../components/Home"



Vue.use(VueRouter)
const routes = [
  {path: '/',redirect:'/login'},
  {path:'/login',component:Login },
  {path:'/home',component: Home}
]

const router = new VueRouter({
  routes
})
//挂载路由导航守卫
router.beforeEach((to,from,next)=>{
  //to将要访问的路径
  //from代表从哪个路径跳转而来
  //next 是一个函数,表示放行
  //next()放行 next('/login')强制放行
  if(to.path == '/login')return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr)return next('/login')
  next()
})
export default router
